Nezdravý

Nezdravý is a Czech adjective meaning not healthy or detrimental to health. It describes things that have a negative impact on physical well‑being, and it can also be used figuratively to indicate harmful or unhelpful circumstances, behaviors, or attitudes. The word is formed with the negation prefix ne- attached to zdravý, the base word for healthy. In standard Czech, nezdravý inflects for gender and number, with masculine singular nezdravý, feminine singular nezdravá, and neuter singular nezdravé; common plural forms include nezdraví (masculine animate) and nezdravé (other genders and numbers).

Nezdravý is used across medical, educational, and everyday language. Typical collocations include nezdravé jídlo (unhealthy food), nezdravé návyky (unhealthy habits), nezdravé prostředí (unhealthy environment), nezdravý životní styl (unhealthy lifestyle), and nezdravé myšlení (unhealthy thinking). It can describe physical conditions (nezdravé srdce — a unhealthy heart), risk factors (nezdravé stravování) or environmental factors (nezdravé ovzduší).

The antonym is zdravý (healthy), with related terms such as zdravotní (health-related) and zdraví (health). In public discourse, nezdravý is often used to critique practices, products, or policies that threaten well‑being, and it can carry a normative tone depending on context.